Pe 30.01.2012 14:10, Hamid Oliaei a scris:
Hi,I want to send some data and messages to all nodes after I run a MR job. then begin another job. Is there any straight way to broadcast data under hadoop framework?
See if DistributedCahche [1] can do what you need. It makes application specific files easy to distribute.
http://hadoop.apache.org/common/docs/r0.20.2/mapred_tutorial.html#DistributedCache -- Ioan Eugen Stan http://ieugen.blogspot.com
